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Survival analysis of implants after surgical treatment of peri-implantitis based on bone loss severity and surgical technique: a retrospective study

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dc.contributor.authorHwang, Sooshin-
dc.contributor.authorLee, Hee-min-
dc.contributor.authorYun, Pil Young-
dc.contributor.authorKim, Young Kyun-
dc.date.accessioned2024-05-01T01:28:23Z-
dc.date.available2024-05-01T01:28:23Z-
dc.date.created2023-06-27-
dc.date.issued2023-05-
dc.identifier.citationBMC Oral Health, Vol.23 No.1, p. 308-
dc.identifier.issn1472-6831-
dc.identifier.urihttps://hdl.handle.net/10371/200058-
dc.description.abstractBackgroundFew trials have compared the results of surgical treatment for peri-implantitis based on severity of peri-implantitis and surgical method. This study investigated the survival rate of implants based on type of surgical method used and initial severity of peri-implantitis. Classification of severity was determined based on bone loss rate relative to fixture length.MethodsMedical records of patients who underwent peri-implantitis surgery from July 2003 to April 2021 were identified. Classification of peri-implantitis was divided into 3 groups (stage 1: bone loss < 25% (of fixture length), stage 2: 25% < bone loss < 50%, stage 3: bone loss > 50%) and performance of resective or regenerative surgery was investigated. Kaplan-Meier survival curves and Cox hazards proportional models were used to analyze the cumulative survival rate of implants. Median survival time, predicted mean survival time, hazard ratio (HR), and 95% confidence interval (CI) were calculated.ResultsBased on Kaplan-Meier analysis, 89 patients and 227 implants were included, and total median postoperative survival duration was 8.96 years. Cumulative survival rates for stage 1, 2, and 3 were 70.7%, 48.9%, and 21.3%, respectively. The mean survival time for implants in stage 1, 2, and 3 was 9.95 years, 7.96 years, and 5.67 years, respectively, with statistically significant difference (log-rank p-value < 0.001). HRs for stage 2 and stage 3 were 2.25 and 4.59, respectively, with stage 1 as reference. Significant difference was not found in survival time between resective and regenerative surgery groups in any peri-implantitis stage.ConclusionsThe initial bone loss rate relative to the fixture length significantly correlated with the outcome after peri-implantitis surgery, demonstrating a notable difference in the long-term survival rate. Difference was not found between resective surgery and regenerative surgery in implant survival time. Bone loss rate could be utilized as a reliable diagnostic tool for evaluating prognosis after surgical treatment, regardless of surgical method used.-
dc.language영어-
dc.publisherBioMed Central-
dc.titleSurvival analysis of implants after surgical treatment of peri-implantitis based on bone loss severity and surgical technique: a retrospective study-
dc.typeArticle-
dc.identifier.doi10.1186/s12903-023-02981-5-
dc.citation.journaltitleBMC Oral Health-
dc.identifier.wosid000993843700004-
dc.identifier.scopusid2-s2.0-85159802695-
dc.citation.number1-
dc.citation.startpage308-
dc.citation.volume23-
dc.description.isOpenAccessY-
dc.contributor.affiliatedAuthorYun, Pil Young-
dc.contributor.affiliatedAuthorKim, Young Kyun-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.subject.keywordPlusFOLLOW-UP-
dc.subject.keywordPlusCLASSIFICATION-
dc.subject.keywordPlusDISEASES-
dc.subject.keywordPlusOUTCOMES-
dc.subject.keywordPlusTHERAPY-
dc.subject.keywordAuthorPeri-implantitis-
dc.subject.keywordAuthorSurgical treatment-
dc.subject.keywordAuthorBone loss rate-
dc.subject.keywordAuthorSurgical method-
dc.subject.keywordAuthorSurvival analysis-
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Yun, Pil Young윤필영
(기금)부교수
  • School of Dentistry
  • Department of Dentistry
Research Area Dentistry, Oral Pathology, Oral and Maxillofacial Surgery, 구강병리학, 구강악안면외과학, 치의학

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